Inventor
HANKS D MITCHEL
US27 patents
⚠️ This page may combine multiple inventors who share the name “HANKS D MITCHEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
20 patentsUS7268795B2Sep 11, 2007
Labeling methods and apparatus using electromagnetic radiation
HEWLETT PACKARD DEVELOPMENT CO10 citations83
US7551524B2Jun 23, 2009
Methods and apparatus to compensate for power output variations over time
HEWLETT PACKARD DEVELOPMENT CO9 citations81
US6744712B2Jun 1, 2004
Optical disc drive with satellite beams for generation of quadrature error signals for radial position detection
HEWLETT PACKARD DEVELOPMENT CO8 citations72
US7596067B2Sep 29, 2009
Method of laser spot location and adjustment thereof
HEWLETT PACKARD DEVELOPMENT CO6 citations62
US7576765B2Aug 18, 2009
Methods and apparatus for detecting and optimizing laser mark quality on recording media
HEWLETT PACKARD DEVELOPMENT CO2 citations62
US7451281B2Nov 11, 2008
System and method for using swappable storage for storing program data
HEWLETT PACKARD DEVELOPMENT CO6 citations62
US7420580B2Sep 2, 2008
Laser power calibration in an optical disc drive
HEWLETT PACKARD DEVELOPMENT CO3 citations62
US7324129B2Jan 29, 2008
Optical print head positioning using mechanically coupled optical pickup unit
HEWLETT PACKARD DEVELOPMENT CO6 citations62
US7072265B2Jul 4, 2006
Low cost detection of wobble inversions using a tuned circuit
HEWLETT PACKARD DEVELOPMENT CO2 citations62
US6813231B1Nov 2, 2004
Combined electronics channels in optical disc drive for data detection during reading and for wobble detection during writing
HEWLETT PACKARD DEVELOPMENT CO4 citations62
US6798724B1Sep 28, 2004
Low cost detection of wobble inversions using a tuned circuit
HEWLETT PACKARD DEVELOPMENT CO2 citations62
US6765937B1Jul 20, 2004
Apparatus and method for analysis and control of timing of a train of high speed, high power laser pulses
HEWLETT PACKARD DEVELOPMENT CO4 citations62
US7701479B2Apr 20, 2010
System and method for laser write power calibration
HEWLETT PACKARD DEVELOPMENT CO2 citations60
US7636280B2Dec 22, 2009
Calibration of lens position in an optical disc drive
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US7577063B2Aug 18, 2009
Calibration of a focus offset in an optical drive
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US7515165B2Apr 7, 2009
Laser power calibration in an optical disc drive
HEWLETT PACKARD DEVELOPMENT CO1 citations52
US7514661B2Apr 7, 2009
Focus calibration in an optical drive
HEWLETT PACKARD DEVELOPMENT CO1 citations52
US7916164B2Mar 29, 2011
Labeling methods and apparatus using energy of two wavelengths
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US7646685B2Jan 12, 2010
Tracing discrete spiral path relative to optical disc
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US7639272B2Dec 29, 2009
Device and method for optical scanning
HEWLETT PACKARD DEVELOPMENT CO0 citations50
HEWLETT PACKARD CO
4 patentsUS5299075AMar 29, 1994
Apparatus and method for shock attenuation in a disk recording and/or reproduction system using variable gain acceleration sensor
HEWLETT PACKARD CO62 citations96
US5447051ASep 5, 1995
Method and apparatus for testing a piezoelectric force sensor
HEWLETT PACKARD CO70 citations95
US6538966B1Mar 25, 2003
Accurate positioning of data marks and spaces relative to groove wobble on a rewritable optical disc
HEWLETT PACKARD CO20 citations92
US5548192AAug 20, 1996
Adaptive feedback system for controlling head/arm position in a disk drive
HEWLETT PACKARD CO21 citations92